Pallet Planter with Terracotta Pots . with some hose clamps and screws to secure the pots, this old pallet has been upcycled into a feature vertical garden. For more inspiration, see 20 Creative Ways to Upcycle Pallets in Your Garden
DIY Vine Teepee by viewsfromthegarden If you made it large enough, you could protect lettuce underneath. A way to have clematis & other good vines such as hummingbird, glory vine, morning glory and cardinal vines.